8340849825 has 288 divisors, whose sum is σ = 18961464960. Its totient is φ = 3186892800.

The previous prime is 8340849817. The next prime is 8340849827. The reversal of 8340849825 is 5289480438.

It is not a de Polignac number, because 8340849825 - 2³ = 8340849817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (8340849827) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 36422811 + ... + 36423039.

It is an arithmetic number, because the mean of its divisors is an integer number (65838420).

Almost surely, 2^8340849825 is an apocalyptic number.

8340849825 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8340849825 is an abundant number, since it is smaller than the sum of its proper divisors (10620615135).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8340849825 is a wasteful number, since it uses less digits than its factorization.

8340849825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The square root of 8340849825 is about 91328.2531585927. The cubic root of 8340849825 is about 2028.0100396217.

The spelling of 8340849825 in words is "eight billion, three hundred forty million, eight hundred forty-nine thousand, eight hundred twenty-five".